64844140

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 139037472

約数和(自身を除く): 74193332

約数列:

[1, 2, 4, 5, 10, 20, 107, 157, 193, 214, 314, 386, 428, 535, 628, 772, 785, 965, 1070, 1570, 1930, 2140, 3140, 3860, 16799, 20651, 30301, 33598, 41302, 60602, 67196, 82604, 83995, 103255, 121204, 151505, 167990, 206510, 303010, 335980, 413020, 606020, 3242207, 6484414, 12968828, 16211035, 32422070, 64844140]

約数ペア:

[(1, 64844140), (2, 32422070), (4, 16211035), (5, 12968828), (10, 6484414), (20, 3242207), (107, 606020), (157, 413020), (193, 335980), (214, 303010), (314, 206510), (386, 167990), (428, 151505), (535, 121204), (628, 103255), (772, 83995), (785, 82604), (965, 67196), (1070, 60602), (1570, 41302), (1930, 33598), (2140, 30301), (3140, 20651), (3860, 16799)]